Metal coating process and apparatus

Coating processes – Immersion or partial immersion

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Details

427435, 118425, 118429, B05D 714, B05C 310

Patent

active

045685762

ABSTRACT:
A method and apparatus for subjecting articles to surface treatment of a sequence of solutions utilizing a plurality of process tanks and a plurality of supply tanks, each supply tank containing one of the solutions utilized in the process. The process tanks and supply tanks are interconnected by conduit means which include a series of valves which may be activated and deactivated for routing the solution to and from any of the selected tanks. The valves are automatically activated and deactivated by a programmable control which allows for articles introduced into each of the process tanks to be subjected to each of the solutions in a programmed sequence.

REFERENCES:
patent: 3839988 (1974-10-01), Duerr
patent: 4062990 (1977-12-01), Coch
patent: 4196023 (1980-04-01), Rowe
patent: 4402765 (1983-09-01), Goto et al.
patent: 4442588 (1984-04-01), Omata
patent: 4483270 (1984-11-01), Toya et al.
patent: 4483271 (1984-11-01), Eidschun et al.

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